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Round|Lab Grown|IGI

2.12ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG496134888

Shape and cutting style on the report: Round brilliant

Certificate IGI LG496134888

Diamond specifications and retailer prices

From £655 GBP
$870 USD
As of October 28, 2026
Save £4,692 GBP (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,347 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.12ct lab-grown round diamond

This 2.12ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG496134888 or 496134888. Listed at 10 retailers as of October 28, 2026, with prices from £655 to £5,347, a £4,692 spread on the same certified stone. MOH London lists it at £5,347. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.12
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496134888
Dimensions8.18 × 8.23 × 5.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.18 mm8.23 mm2.12 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496134888
Side View
Table 59.5%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £5,347 GBP|Low: £655 GBP|High: £5,390 GBP|Avg: £2,692 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4£655 GBP
Retailer 3£1,690 GBP
Retailer 7£1,893 GBP
Retailer 5£1,960 GBP
Retailer 8£1,960 GBP
Retailer 9£2,487 GBP
Retailer 6£3,060 GBP
Retailer 2£3,072 GBP
Retailer 10£4,387 GBP
MOH London£5,347 GBP

16 data points across 10 retailers

10 retailers£655 GBP to £5,347 GBP

A
Cheapest Retailer
-
£655 GBP
$870 USD
B+
Retailer 2
-
£1,690 GBP
$2,245 USD
View
B+
Retailer 3
-
£1,839 GBP
$2,443 USD
View
B+
Retailer 4
-
£1,893 GBP
$2,515 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,960 GBP
$2,605 USD
View
B+
Retailer 6
-
£1,960 GBP
$2,605 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
£2,694 GBP
$3,580 USD
View
B
Retailer 8
-
£3,060 GBP
$4,066 USD
View
B
Retailer 9
-
£3,072 GBP
$4,082 USD
View
Most Expensive
B
MOH London
LG496134888 · Oct 29
£5,347 GBP
View
9 more retailers have this diamond
Prices start from £655 GBPSave up to £4,692 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.12ct Round
£655 GBP